what kind of algae? there are many natural fixes but some are better than others at particular kinds. pond snails work great but you need loaches or gouramis to get rid of the snails. whats causing the algae?
No algae fixer, killer destroyer will fix the root issue: poor plant health/growth.
Then you do not need such products
Work on that first.
Excel is the exception, since it does kill algae and also provides CO2 for plants.
Using less light also fixes algae in general also.
More light is not "better", particularly with planted tanks.
i have no clue. it's hair algea. 75 gal tank. 2x54 hot5 bulbs about 10" above the tank. co2 is good. low bio load. lights are 5 hrs on, 3 hrs off, 5 hrs on. i,m dosing what i should and doing changes. my nitrates were 5 ppm